Finding the Fourth Proportional to 100,927,163.27, 139,279,546.34 and 54,517,437.70
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Solution
The fourth proportional to 100,927,163.27, 139,279,546.34 and 54,517,437.70 is: 75,234,096.99
Step by Step Solution
- Step 1: Write the proportion equation
100,927,163.27 : 139,279,546.34 = 54,517,437.70 : x - Step 2: Convert to fraction form
100,927,163.27/139,279,546.34 = 54,517,437.70/x - Step 3: Cross multiply
100,927,163.27x = 139,279,546.34 × 54,517,437.70 - Step 4: Simplify right side
100,927,163.27x = 7,593,163,990,475,214 - Step 5: Solve for x
x = 7,593,163,990,475,214/100,927,163.27 - Step 6: Final answer
x = 75,234,096.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.